28291437 is an odd 8-digits composite number following 28291436
and preceding 28291438 . In scientific notation, it is written as 2.8291437 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 17262720 positive integers (up to 28291437) that are relatively prime to 28291437.
28291437 has 24 divisors, whose sum is 34594560
The reverse of 28291437 is 73419282
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million two hundred ninety-one thousand four hundred thirty-seven
Scientific notation
2.8291437 × 10^7
Engineering notation
2.8291437 × 10^6
Prime Factorization
9 × 19 × 9 × 31 × 593
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3143493
Product of the distinct prime numbers
The prime factorization of 28291437 is 9 × 19 × 9 × 31 × 593.
Since it has a total of 5 prime factors.
7 , 5 , 19 , 65 , 846 , 344 , 5303 , 8591 , 49965 , 78767 , 110820 , 558462 , 7896397 , 3249355 , 28886293 , 33801125 , 536169782 , 734037955 , 2695258022 , 567477166
n×2
56582874
n×3
84874311
n×4
113165748
n×5
141457185
n÷2
14145718.5
n÷3
9430479
n÷3
7072859.25
n÷5
5658287.4
n2
800405407524969
n3
2.2644619161452E+22
n4
6.4064881639521E+29
n5
1.812487562817E+37
2 √n
5318.96954306
3 √n
304.7088038595
4 √n
72.931265881376
5 √n
30.926516264741
1 , 9 , 19 , 31 , 81 , 171 , 279 , 589 , 593 , 1539 , 2511 , 5301 , 5337 , 11267 , 18383 , 47709 , 48033 , 101403 , 165447 , 349277 , 912627 , 1489023 , 3143493 , 28291437
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28291436
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28291437 can be divided by 24 positive divisors.
The sum of these divisors (counting 28291437) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101011111011000101101101
3
Ternary
1222020100120000
4
Quaternary
1223323011231
5
Quinary
24220311222
6
Senary
2450214513
8
Octal
153730555
10
Decimal
28291437
12
Duodecimal
9584439
16
Hexadecimal
1afb16d
20
Vigesimal
8gg8bh
36
Base36
gudt9
md5
558e9f69416d46411c0d4b662e28d9ae
sha1
9e32ba437d1cecc2c4b9946e67088426dd654160
sha256
1bf808eb8298b640dcde69db618f4d406ff4e475616e6af6858181df4fe9486d
sha512
f83e28e2698980e2b3ab125ec65393f20248230e07e354ca7c5f0a04c42b6721116df3012bd4c5c0094251361d07ed27bb9901115ad888a753dff586a2b243a7
ripemd-160
be61eceba752428ca0acb4dfc8d129cf1ef9838d
Diameter
56582874
Circumference
177760341.2774
Area
2.514547748174E+15
Volume
9.4853558934608E+22
Surface area
1.0058190992696E+16
Circumference
177760341.2774
Perimeter
113165748
Area
800405407524969
Diagonal
40010133.904424
Surface area
4802432445149814
Volume
2.2644619161452E+22
Space diagonal
49002206.303134
Perimeter
84874311
Area
3.4658570812153E+14
Altitude
24501103.151567
Surface area
3.4658570812153E+14
Volume
2.6686939610749E+21
Height
13336711.301475